gecko-dev/js/jsd/test/jsd-test.js

118 lines
3.5 KiB
JavaScript

const Cc = SpecialPowers.Cc;
const Ci = SpecialPowers.Ci;
const RETURN_CONTINUE = Ci.jsdIExecutionHook.RETURN_CONTINUE;
const DebuggerService = Cc["@mozilla.org/js/jsd/debugger-service;1"];
var jsd = Cc['@mozilla.org/js/jsd/debugger-service;1']
.getService(Ci.jsdIDebuggerService);
var jsdOnAtStart = false;
function setupJSD(test) {
netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
jsdOnAtStart = jsd.isOn;
if (jsdOnAtStart) {
runTest();
} else {
jsd.asyncOn({ onDebuggerActivated: function() { runTest(); } });
}
}
// Ugly workaround: when you turn the debugger on, it will only see scripts
// compiled after that point. And it may be turned on asynchronously. So
// we put the debugged code into a separate script that gets loaded after
// the debugger is on.
function loadScript(url, element) {
var script = document.createElement('script');
script.type = 'text/javascript';
script.src = url;
script.defer = false;
element.appendChild(script);
}
function findScriptByFunction(name) {
var script;
jsd.enumerateScripts({ enumerateScript:
function(script_) {
if (script_.functionName === name) {
script = script_;
}
}
});
if (typeof(script) === "undefined") {
throw("Cannot find function named '" + name + "'");
}
return script;
}
// Pass in a JSD script
function breakOnAllLines(script) {
// Map each line to a PC, and collect that set of PCs (removing
// duplicates.)
var pcs = {};
for (i = 0; i < script.lineExtent; i++) {
var jsdLine = script.baseLineNumber + i;
var pc = script.lineToPc(jsdLine, Ci.jsdIScript.PCMAP_SOURCETEXT);
pcs[pc] = 1;
}
// Set a breakpoint on each of those PCs.
for (pc in pcs) {
try {
script.setBreakpoint(pc);
} catch(e) {
alert("Error setting breakpoint: " + e);
}
}
}
// Set a breakpoint on a script, where lineno is relative to the beginning
// of the script (NOT the absolute line number within the file).
function breakOnLine(script, lineno) {
breakOnAbsoluteLine(script, script.baseLineNumber + lineno);
}
function breakOnAbsoluteLine(script, lineno) {
var pc = script.lineToPc(lineno, Ci.jsdIScript.PCMAP_SOURCETEXT);
script.setBreakpoint(pc);
}
function loadPage(page) {
var url;
if (page.match(/^\w+:/)) {
// Full URI, so just use it
url = page;
} else {
// Treat as relative to previous page
url = document.location.href.replace(/\/[^\/]*$/, "/" + page);
}
dump("Switching to URL " + url + "\n");
gURLBar.value = url;
gURLBar.handleCommand();
}
function breakpointObserver(lines, interesting, callback) {
jsd.breakpointHook = { onExecute: function(frame, type, rv) {
breakpoints_hit.push(frame.line);
if (frame.line in interesting) {
return callback(frame, type, breakpoints_hit);
} else {
return RETURN_CONTINUE;
}
} };
}
function dumpStack(frame, msg) {
dump(msg + ":\n");
while(frame) {
var callee = frame.callee;
if (callee !== null)
callee = callee.jsClassName;
dump(" " + frame.script.fileName + ":" + frame.line + " func=" + frame.script.functionName + " ffunc=" + frame.functionName + " callee=" + callee + " pc=" + frame.pc + "\n");
frame = frame.callingFrame;
}
}